Let’s step back in time and discuss the history of Structured Query Language, or what most SQL Server professionals just shorten to SQL. Fasten your seatbelts, crank up the time machine and travel back in time to follow the history of SQL and Microsoft SQL Server from its early years to where they are today.
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This Stairway will provide you with a basic understanding of how to work with data from SQL Server tables, using SQL Server’s Transact-SQL (T-SQL) dialect. DML is the Data Manipulation Language, and is the aspect of the language dealing with the data. It includes the statements SELECT, INSERT, UPDATE and DELETE. This Stairway will as also provide some history of the SQL language and some general concepts about set theory. Each level will build upon the prior level, so by the time you are finished you will have a good understanding of how to select and modify data from SQL Server.
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